Piedmont Weather Forecast

    • 34
    • 47

    Mostly Cloudy

    • 33
    • 48

    Partly Sunny

    • 35
    • 47

    Mostly Cloudy

    • 39
    • 46

    Rain Likely

    • 39
    • 49

    Chance Rain

    • 40
    • 47

    Chance Rain

Today 29 Dec Inner Portland Metro

Areas of frost in the morning. Partly sunny. Highs in the upper 40s. Northeast wind 5 to 10 Mph.

Tonight 29 Dec Inner Portland Metro

Mostly cloudy in the Evening, then becoming partly cloudy. Areas of frost after midnight. Lows in the mid 30s. Northeast wind 5 to 10 Mph.

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Piedmont Temperature Statistics

December Temperature

Portland, Portland International Airport (3.1 miles)

  • Lowest 1 December, 2025

    33.1 °F

  • Average December

    48.7 °F

  • Highest 10 December, 2025

    62.1 °F

Climate (2020–Present)

Portland, Portland International Airport (3.1 miles)

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  • Average Low 2020–2025

    48.4 °F

  • Average 2020–2025

    56.3 °F

  • Average High 2020–2025

    65.4 °F
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